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Jan Van Walraven

JBJ. Van Walraven Holding B.V.: 1 patents #1 of 1Top 100%
Mijdrecht, NL: #1 of 2 inventorsTop 50%
Overall (1997): #133,957 of 185,788Top 75%
1 Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5647564 Method for fastening a pipe in a vertical position to a wall — 1997-07-15

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